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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sfntly/data/growable_memory_byte_array.h"
#include <limits.h>
#include <string.h>
#include <algorithm>
namespace sfntly {
GrowableMemoryByteArray::GrowableMemoryByteArray()
: ByteArray(0, INT_MAX, true) {
// Note: We did not set an initial size of array like Java because STL
// implementation will determine the best strategy.
}
GrowableMemoryByteArray::~GrowableMemoryByteArray() {}
int32_t GrowableMemoryByteArray::CopyTo(OutputStream* os,
int32_t offset,
int32_t length) {
assert(os);
os->Write(&b_, offset, length);
return length;
}
void GrowableMemoryByteArray::InternalPut(int32_t index, byte_t b) {
if ((size_t)index >= b_.size()) {
b_.resize((size_t)(index + 1));
}
b_[index] = b;
}
int32_t GrowableMemoryByteArray::InternalPut(int32_t index,
byte_t* b,
int32_t offset,
int32_t length) {
if ((size_t)index + length >= b_.size()) {
// Note: We grow one byte more than Java version. VC debuggers shows
// data better this way.
b_.resize((size_t)(index + length + 1));
}
std::copy(b + offset, b + offset + length, b_.begin() + index);
return length;
}
byte_t GrowableMemoryByteArray::InternalGet(int32_t index) {
return b_[index];
}
int32_t GrowableMemoryByteArray::InternalGet(int32_t index,
byte_t* b,
int32_t offset,
int32_t length) {
memcpy(b + offset, &(b_[0]) + index, length);
return length;
}
void GrowableMemoryByteArray::Close() {
b_.clear();
}
byte_t* GrowableMemoryByteArray::Begin() {
return &(b_[0]);
}
} // namespace sfntly
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